CVE-2025-11624

Description

Potential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size larger than the system handle or file descriptor size, but smaller than max handle size allowed.

CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
wolfssh	wolfssh	1.3.0 — 1.4.20

References

Other References

https://github.com/wolfSSL/wolfssh/pull/834

Frequently Asked Questions

What is CVE-2025-11624? +

Potential stack buffer overwrite on the SFTP server side when receiving a malicious packet that has a handle size larger than the system handle or file descriptor size, but smaller than max handle size allowed. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2025-11624? +

CVE-2025-11624 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-11624? +

CVE-2025-11624 affects products from wolfssh, specifically: wolfssh. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-11624? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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